51797486 has 12 divisors (see below), whose sum is σ = 84133152. Its totient is φ = 23906376.

The previous prime is 51797443. The next prime is 51797489. The reversal of 51797486 is 68479715.

It is a self number, because there is not a number n which added to its sum of digits gives 51797486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51797489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76286 + ... + 76961.

It is an arithmetic number, because the mean of its divisors is an integer number (7011096).

Almost surely, 2^51797486 is an apocalyptic number.

51797486 is a deficient number, since it is larger than the sum of its proper divisors (32335666).

51797486 is a wasteful number, since it uses less digits than its factorization.

51797486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153275 (or 153262 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 51797486 is about 7197.0470333325. The cubic root of 51797486 is about 372.7659431441.

The spelling of 51797486 in words is "fifty-one million, seven hundred ninety-seven thousand, four hundred eighty-six".